dam toe
... dam site investigation ==> 坝址勘查 dam toe ==> 坝脚,坝趾 dam type hydroelectric station ==> 堤坝式水电站 ...
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南方有些省份还有白蚁蛀空坝脚等等。
In the south, white ants can hollow the dam heel.
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在坝脚处用块石堆筑而成。
It's built by piled block stones at dam heel.
下游面则由坝顶护至排水棱体，无排水棱体时则护至坝脚。
For those downstream, they protect the space from dam crest to draining prism or to dam heel in event of no prism.
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